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US 5,397,392 AGranted
Material for use as soil stabilizer and as soil substitute
AssigneeWessco, Inc.
InventorJohn D. Derr
Life of this patent
Estimating the term…
Abstract
A soil substitute material includes from about 2 to about 9 parts by weight of crushed brick; from about 5 to about 25 parts by weight of a filler material; from about 60 to about 90 parts by weight of raw clay; and, from about 0 to about 3 parts by weight of a hydrating material. The material is compacted at from about 3500 to about 5000 pounds per square inch. A method of preparing a soil substitute includes admixing the components with from about 5 to about 18 parts by weight of water and compressing the hydrated mixture at from about 3500 to about 5000 pounds per square inch.
Claims4
A soil substitute material consisting essentially of:
- from about 2 to about 9 parts by weight of crushed fired brick;
- from about 5 to about 25 parts by weight of a filler material comprising sawdust, grain hulls, silica or calcium carbonate;
- from about 60 to about 90 parts by weight of raw clay;
- and,
- from about 0 to about 3 parts by weight of cellulose;
- wherein the material is highly compact by being compacted at from about 3500 to about 5000 pounds per square inch.
3 more elements
Dependencies are inferred from the claim text.